On 14/03/13 17:05, Clemens Ladisch wrote:
Eleytherios Stamatogiannakis wrote:
explain query plan select * from t1, t2 where t1.c1=t2.c1;
0 |0 |1 | SCAN TABLE t2 (~1000000 rows)
0 |1 |0 | SCAN TABLE t1 VIRTUAL TABLE INDEX 0: (~0 rows)

Even thought, i have put VT t1 first in the join list, SQLite
will do a nested loop join (putting it on the right).

How have you defined index 0 of your virtual table?

The "INDEX 0:" is always there (even when no index is defined in the VT function). I don't know what it means.

l.
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